package com.itheima.consumer.controller;

import com.itheima.consumer.domain.Goods;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

/**
 * @author zero
 * @date 2020/6/17
 */


@RestController
@RequestMapping("/order")
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    private DiscoveryClient discoveryClient;

    @GetMapping("/goods/{id}")
    public Goods findGoodsById(@PathVariable("id") int id){

        List<ServiceInstance> instances = discoveryClient.getInstances("EUREKA-PROVIDER");

        if (instances == null || instances.size() == 0){
            return null;
        }
        //生产者实例
        ServiceInstance instance = instances.get(0);
        System.out.println(instance.getHost());
        System.out.println(instance.getPort());

        String url = "http://"+instance.getHost()+":"+instance.getPort()+"/goods/findOne/"+id;
        Goods goods = restTemplate.getForObject(url,Goods.class);

        return goods;
    }
}
